On this Picostat.com statistics page, you will find information about the treering data set which pertains to Yearly Treering Data, -6000–1979. The treering data set is found in the datasets R package. You can load the treering data set in R by issuing the following command at the console data("treering"). This will load the data into a variable called treering. If R says the treering data set is not found, you can try installing the package by issuing this command install.packages("datasets") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the treering R data set. The size of this file is about 90,677 bytes.
Yearly Treering Data, -6000–1979
Contains normalized tree-ring widths in dimensionless units.
A univariate time series with 7981 observations. The object is of
Each tree ring corresponds to one year.
The data were recorded by Donald A. Graybill, 1980, from
Gt Basin Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.
Picostat is a web-based opensource statistical application framework based on Drupal 8 and ℝ. Drupal can be used to manage user datasets and perform basic statistical analysis with a NoCode end-user interface ideal for non-technical users. Custom applications can be easily integrated into the system using webforms and ℝ language syntax.